FSTUD16450GX

更新时间： 2024-11-12 22:17:47

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		开关
页数	文件大小	规格书
11页	418K
描述
Configurable 4-Bit to 20-Bit Bus Switch with -2V Undershoot Protection and Selectable Level Shifting

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FSTUD16450GX 数据手册

January 2001

Revised August 2001

FSTUD16450

Configurable 4-Bit to 20-Bit Bus Switch with

-2V Undershoot Protection and Selectable Level Shifting

General Description

Features

■ Undershoot hardened to −2V (A and B Ports)

The Fairchild Universal Bus Switch FSTUD16450 provides

4-bit, 5-bit, 8-bit, 10-bit, 16-bit, 20-bit of high-speed CMOS

TTL-compatible bus switching. The low On Resistance of

the switch allows inputs to be connected to outputs without

adding propagation delay or generating additional ground

bounce noise.

■ Voltage level shifting

■ 4Ω switch connection between two ports

■ Minimal propagation delay through the switch

■ Low l_CC

The FSTUD16450 is designed to allow “customer” configu-

ration control of the enable connections. The device is

organized as either a 4-bit, 5-bit, 10-bit or 20-bit bus switch.

8-bit and 16-bit configurations are also achievable (see

Functional Description). The device's bit configuration is

chosen through select pin logic. (see Truth Table). When

OE_xis LOW, Port A_xis connected to Port B_x. When OE_xis

■ Zero bounce in flow-through mode

■ Control inputs compatible with TTL level

■ See Applications Note AN-5008 for details

■ Also packaged in plastic Fine-Pitch Ball Grid Array

(FBGA) (Preliminary)

Applications Note

Select pins S₀, S₁, S₂are intended to be used as static

user configurable control pins. The AC performance of

these pins has not been characterized or tested. Switching

of these select pins during system operation may tempo-

rarily disrupt output logic states and/or enable pin controls.

HIGH, the switch is OPEN.

The A and B Ports are “undershoot hardened” with UHC

protection to support an extended range to 2.0V below

ground. Fairchild's integrated “Undershoot Hardened

Circuit” (UHC) senses undershoot at the I/O's, and

responds by preventing voltage differentials from develop-

ing and turning on the switch.

Another key device feature is the addition of a level shifting

select pin, “S₂”. When S₂is LOW, the device behaves as a

standard N-MOS switch. When S₂is HIGH, a diode to V_CC

is integrated into the circuit allowing for level shifting

between 5V inputs and 3.3V outputs.

Ordering Code:

Order Number

Package Number

Package Description

FSTUD16450GX

(Note 1)

BGA54A

(Preliminary)

54-Ball Fine-Pitch Ball Grid Array (FBGA), JEDEC MO-205, 5.5mm Wide

[Tape and Reel]

FSTUD16450MTD

MTD56

56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Note 1: BGA package available in Tape and Reel only.

UHC is a trademark of Fairchild Semiconductor Corporation.

DS500391

www.fairchildsemi.com

12 3 4 5 6 7...11

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与FSTUD16450GX相关器件

型号	品牌	获取价格	描述	数据表
FSTUD16450MTD	FAIRCHILD	获取价格	Configurable 4-Bit to 20-Bit Bus Switch with -2V Undershoot Protection and Selectable Leve
FSTUD16450MTDX	FAIRCHILD	获取价格	Bus Switch
FSTUD32211	FAIRCHILD	获取价格	40/48-Bit Bus Switch with -2V Undershoot Protection and Level Shifting (Preliminary)
FSTUD32211GX	FAIRCHILD	获取价格	40/48-Bit Bus Switch with -2V Undershoot Protection and Level Shifting (Preliminary)
FSTUD32450	FAIRCHILD	获取价格	Configurable 4-Bit to 40-Bit Bus Switch with -2V Undershoot Protection and Selectable Leve
FSTUD32450_06	FAIRCHILD	获取价格	Configurable 4-Bit to 40-Bit Bus Switch with -2V Undershoot Protection and Selectable Leve
FSTUD32450G	FAIRCHILD	获取价格	Configurable 4-Bit to 40-Bit Bus Switch with -2V Undershoot Protection and Selectable Leve
FSTUD32450G	ROCHESTER	获取价格	CBT/FST/QS/5C/B SERIES, QUAD 10-BIT DRIVER, TRUE OUTPUT, PBGA114, 5.50 MM, PLASTIC, MO-205
FSTUD32450GX	FAIRCHILD	获取价格	Configurable 4-Bit to 40-Bit Bus Switch
FSTUD32450GX	ROCHESTER	获取价格	CBT/FST/QS/5C/B SERIES, QUAD 10-BIT DRIVER, TRUE OUTPUT, PBGA114, 5.50 MM, PLASTIC, MO-205

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